From: Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de>
To: Marius Bakke <mbakke@fastmail.com>
Cc: 30311-done@debbugs.gnu.org
Subject: bug#30311: efi-less grub install fails
Date: Sun, 18 Feb 2018 12:28:13 +0100 [thread overview]
Message-ID: <87371yy1te.fsf@mdc-berlin.de> (raw)
In-Reply-To: <87inbgq3wp.fsf@fastmail.com>
Marius Bakke <mbakke@fastmail.com> writes:
> Danny Milosavljevic <dannym@scratchpost.org> writes:
>
>> Hi Ricardo,
>>
>> On Wed, 31 Jan 2018 19:55:58 +0100
>> Ricardo Wurmus <ricardo.wurmus@mdc-berlin.de> wrote:
>>
>>> “guix system init” fails with a configuration file that specifies
>>> grub-bootloader (not grub-efi-bootloader).
>>>
>>> “grub-install” reports an error about “lib/grub/x86_64-efi/modinfo.sh”
>>> not being available. It suggests passing “--target” or “--device”.
>>>
>>> Our invocation of grub-install does not include a “--target” argument.
>>> Only after I edited it to pass “--target=i386-pc” did “guix system init”
>>> pass.
>>
>> Hmm, I wonder what happened here.
>>
>> We've been very careful to keep grub and grub-efi separate.
>>
>> The entire directory lib/grub/x86_64-efi shouldn't be available in the
>> "grub" package output - and I checked on master, it isn't. Good.
>>
>> So that leaves automatic target selection as the culprit.
>>
>> And indeed, there's a call to grub_install_get_default_x86_platform
>> in util/grub-install.c . And that checks for availability of
>> /sys/firmware/efi and if it exists, defaults to EFI.
>>
>> I think it's a bug in grub to do that for a grub which doesn't have EFI
>> platform support. :P
>>
>> We could just always pass i386-pc in install-grub for i386, but then
>> we lose i386-ieee1275 (which I have never heard anyone using so maybe
>> not so bad).
>
> I agree, passing --target seems like the best workaround for this GRUB
> bug.
Okay, I’ve added “--target=i386-pc” to the list of arguments.
Thanks for the comments.
--
Ricardo
next prev parent reply other threads:[~2018-02-18 11:29 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-31 18:55 bug#30311: efi-less grub install fails Ricardo Wurmus
2018-01-31 23:34 ` Danny Milosavljevic
2018-02-01 12:40 ` Marius Bakke
2018-02-18 11:28 ` Ricardo Wurmus [this message]
2018-01-31 23:55 ` Ludovic Courtès
2018-02-18 16:20 ` Mark H Weaver
2018-02-18 16:49 ` Danny Milosavljevic
2018-02-20 21:40 ` Ricardo Wurmus
2018-02-20 21:43 ` Danny Milosavljevic
2018-02-20 21:49 ` Ricardo Wurmus
2018-02-20 22:00 ` Danny Milosavljevic
2018-03-26 21:15 ` Danny Milosavljevic
2018-02-20 3:21 ` Marius Bakke
2018-02-20 3:46 ` Marius Bakke
2018-02-20 20:54 ` Danny Milosavljevic
2018-02-20 21:00 ` Danny Milosavljevic
2018-02-22 15:06 ` Marius Bakke
2018-02-22 15:47 ` Ricardo Wurmus
2018-02-23 11:30 ` Marius Bakke
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